Single breath counting technique to assess pulmonary function: a systematic review and meta-analysis.

Autor:	Delmondes GMB; Universidade de Pernambuco-UPE, Graduate Program in Hebiatrics, Recife, Pernambuco, Brazil., Couto NFS; Universidade de Pernambuco-UPE/Universidade Federal da Paraíba-UFPB, Associate Graduate Program in Physical Education, Recife, Pernambuco, Brazil., Correia Junior MGA; Universidade de Pernambuco-UPE/Universidade Federal da Paraíba-UFPB, Associate Graduate Program in Physical Education, Recife, Pernambuco, Brazil., Bonifácio ABDS; Universidade de Pernambuco-UPE, Graduate Program in Hebiatrics, Recife, Pernambuco, Brazil., Freitas Dias R; Universidade de Pernambuco-UPE, Graduate Program in Hebiatrics, Recife, Pernambuco, Brazil., Bezerra J; Universidade de Pernambuco-UPE, Graduate Program in Hebiatrics, Recife, Pernambuco, Brazil.; Universidade de Pernambuco-UPE/Universidade Federal da Paraíba-UFPB, Associate Graduate Program in Physical Education, Recife, Pernambuco, Brazil., Santos MAM; Universidade de Pernambuco-UPE, Graduate Program in Hebiatrics, Recife, Pernambuco, Brazil.; Universidade de Pernambuco-UPE/Universidade Federal da Paraíba-UFPB, Associate Graduate Program in Physical Education, Recife, Pernambuco, Brazil., Gomes de Barros MV; Universidade de Pernambuco-UPE, Graduate Program in Hebiatrics, Recife, Pernambuco, Brazil.; Universidade de Pernambuco-UPE/Universidade Federal da Paraíba-UFPB, Associate Graduate Program in Physical Education, Recife, Pernambuco, Brazil., Costa EC; Centro Acadêmico de Vitória da Universidade Federal de Pernambuco, Vitoria de Santo Antao, Pernambuco, Brazil., Correia Junior MAV; Universidade de Pernambuco-UPE, Graduate Program in Hebiatrics, Recife, Pernambuco, Brazil.; Universidade de Pernambuco-UPE/Universidade Federal da Paraíba-UFPB, Associate Graduate Program in Physical Education, Recife, Pernambuco, Brazil.
Jazyk:	angličtina
Zdroj:	Journal of breath research [J Breath Res] 2023 Nov 03; Vol. 18 (1). Date of Electronic Publication: 2023 Nov 03.
DOI:	10.1088/1752-7163/ad0647
Abstrakt:	Pulmonary function is usually assessed by measuring Vital Capacity (VC) using equipment such as a spirometer or ventilometer, but these are not always available to the population, as they are relatively expensive tests, difficult to transport and require trained professionals. However, the single breath counting technique (SBCT) appears as a possible alternative to respiratory function tests, to help in the pathophysiological understanding of lung diseases. The objective is to verify the applicability of the SBCT as a parameter for evaluating VC. This is a systematic review registered in the International Prospective Register of Systematic Reviews (CRD42023383706) and used for PubMed ® , Scientific Electronic Library Online, LILACS, EMBASE, and Web of Science databases of articles published until January 2023. Methodological quality regarding the risk of bias was assessed using Quality Assessment of Diagnostic Accuracy Studies-2 and National Institutes of Health tools. Eleven of a total of 574 studies were included, of these, nine showed a correlation between VC and SBCT (weak in healthy, moderate in neuromuscular and strong in hospitalized patients). One study of hospitalized patients accurately identified a count value of 21 for a VC of 20 ml kg -1 (Sensitivity = 94% and Specificity = 77%), and another estimated a count lower than 41 for a VC below 80% of predicted in patients with neuromuscular dystrophy (Sensitivity = 89% and Specificity = 62%), and another showed good intra and inter-examiner reproducibility in young, adult, and elderly populations. A meta-analysis of three studies showed a moderate correlation in subjects with neuromuscular diseases ( r = 0.62, 95% CI = 0.52-0.71, p < 0.01). A high risk of bias was identified regarding the justification of the sample size and blinding of the evaluators. SBCT has been presented as an alternative to assess VC in the absence of specific equipment. There is a clear relationship between SBCT and VC, especially in neuromuscular and hospitalized individuals. New validation studies conducted with greater control of potential bias risks are necessary. (© 2023 IOP Publishing Ltd.)
Databáze:	MEDLINE
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